Sodium Lauryl Sulfate
Caution
A strong, foamy cleanser. Effective but stripping — a common cause of irritation and dryness, especially in leave-on or face products. Used as an irritant in skin testing.
What it does
Surfactant or cleanser. Lifts oil and dirt so they rinse away; makes foam.
Worth knowing
Can irritate or dry out skin, especially at higher strength or in leave-on products.
Also written as
Scans recognise it under every one of these names.
SLS